CVE-2022-2585: Use After Free
First published: Wed Aug 03 2022(Updated: )
A use-after-free flaw was found in the Linux kernel’s POSIX CPU timers functionality in the way a user creates and then deletes the timer in the non-leader thread of the program. This flaw allows a local user to crash or potentially escalate their privileges on the system.
Credit: security@ubuntu.com security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <0:5.14.0-70.30.1.el9_0 | 0:5.14.0-70.30.1.el9_0 |
| redhat/kernel-rt | <0:5.14.0-70.30.1.rt21.102.el9_0 | 0:5.14.0-70.30.1.rt21.102.el9_0 |
| redhat/kernel | <6.0 | 6.0 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.9-1 6.12.10-1 | |
| Linux Kernel | >=5.7<5.10.137 | |
| Linux Kernel | >=5.11<5.15.61 | |
| Linux Kernel | >=5.16<5.18.18 | |
| Linux Kernel | >=5.19<5.19.2 | |
| Ubuntu Linux | =20.04 | |
| Ubuntu Linux | =22.04 |
Remedy
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-2585 https://nvd.nist.gov/vuln/detail/CVE-2022-2585 https://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#u
- https://bugzilla.redhat.com/show_bug.cgi?id=2114874
- https://access.redhat.com/errata/RHSA-2022:7318
- https://access.redhat.com/errata/RHSA-2022:7319
- https://access.redhat.com/errata/RHSA-2022:7330
- https://access.redhat.com/security/cve/cve-2022-2585
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2585
- https://lore.kernel.org/lkml/20220809170751.164716-1-cascardo@canonical.com/T/#u
- https://ubuntu.com/security/notices/USN-5564-1
- https://ubuntu.com/security/notices/USN-5565-1
- https://ubuntu.com/security/notices/USN-5566-1
- https://ubuntu.com/security/notices/USN-5567-1
- https://www.openwall.com/lists/oss-security/2022/08/09/7
- https://launchpad.net/bugs/cve/CVE-2022-2585
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2117010
- https://nvd.nist.gov/vuln/detail/CVE-2022-2585
- https://security-tracker.debian.org/tracker/CVE-2022-2585
- https://ubuntu.com/security/CVE-2022-2585
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2022-2585
- agent/software-canonical-lookup
- agent/weakness
- agent/severity
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- agent/trending
- agent/last-modified-date
- agent/references
- agent/remedy
- agent/description
- agent/event
- agent/source
- collector/security-tracker-debian
- source/Debian
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup-request
- collector/nvd-api
- agent/softwarecombine
- agent/tags
- package-manager/redhat
- package-manager/debian
- vendor/linux
- canonical/linux kernel
- version/linux kernel/5.7
- version/linux kernel/5.11
- version/linux kernel/5.16
- version/linux kernel/5.19
- vendor/canonical
- canonical/ubuntu linux
- version/ubuntu linux/20.04
- version/ubuntu linux/22.04